CWB與JMA發佈颱風路徑預測的時間差 - 颱風討論
By Dorothy
at 2015-08-19T09:40
at 2015-08-19T09:40
Table of Contents
CWB和JMA的颱風消息與台風情報發佈時間很接近,
都是訂在台灣時間02:00, 08:00, 14:00與20:00
訂這時間, 應該是最新數據的截取時間, 可能也和衛星資訊有關
但同樣的數據截取時間點
幾乎每次JMA發佈颱風路徑預測圖的時間點總是比CWB早很多
一般JMA會在比預報時間晚70~85分鐘左右發佈,
CWB則通常比JMA再多15~30 min以上
有人知道這個時間的差異是來自於何呢?
1. 分析數據量的多寡
2. 分析數據的速度
3. 開會討論決議所耗時間
4. SOP (例如有無內規一定要在幾點幾分前發佈等)
還是有其他因素呢?
--
都是訂在台灣時間02:00, 08:00, 14:00與20:00
訂這時間, 應該是最新數據的截取時間, 可能也和衛星資訊有關
但同樣的數據截取時間點
幾乎每次JMA發佈颱風路徑預測圖的時間點總是比CWB早很多
一般JMA會在比預報時間晚70~85分鐘左右發佈,
CWB則通常比JMA再多15~30 min以上
有人知道這個時間的差異是來自於何呢?
1. 分析數據量的多寡
2. 分析數據的速度
3. 開會討論決議所耗時間
4. SOP (例如有無內規一定要在幾點幾分前發佈等)
還是有其他因素呢?
--
Tags:
颱風
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